linux-kernel - [PATCH net-next v11 09/12] idpf: access ->pp through netmem

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250717070052.6358-10-byungchul@sk.com>
Date: Thu, 17 Jul 2025 16:00:49 +0900
From: Byungchul Park <byungchul@...com>
To: willy@...radead.org,
	netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	kernel_team@...ynix.com,
	almasrymina@...gle.com,
	ilias.apalodimas@...aro.org,
	harry.yoo@...cle.com,
	akpm@...ux-foundation.org,
	andrew+netdev@...n.ch,
	asml.silence@...il.com,
	toke@...hat.com,
	david@...hat.com,
	Liam.Howlett@...cle.com,
	vbabka@...e.cz,
	rppt@...nel.org,
	surenb@...gle.com,
	mhocko@...e.com,
	linux-rdma@...r.kernel.org,
	bpf@...r.kernel.org,
	vishal.moola@...il.com,
	hannes@...xchg.org,
	ziy@...dia.com,
	jackmanb@...gle.com,
	wei.fang@....com,
	shenwei.wang@....com,
	xiaoning.wang@....com,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	anthony.l.nguyen@...el.com,
	przemyslaw.kitszel@...el.com,
	sgoutham@...vell.com,
	gakula@...vell.com,
	sbhatta@...vell.com,
	hkelam@...vell.com,
	bbhushan2@...vell.com,
	tariqt@...dia.com,
	ast@...nel.org,
	daniel@...earbox.net,
	hawk@...nel.org,
	john.fastabend@...il.com,
	sdf@...ichev.me,
	saeedm@...dia.com,
	leon@...nel.org,
	mbloch@...dia.com,
	danishanwar@...com,
	rogerq@...nel.org,
	nbd@....name,
	lorenzo@...nel.org,
	ryder.lee@...iatek.com,
	shayne.chen@...iatek.com,
	sean.wang@...iatek.com,
	matthias.bgg@...il.com,
	angelogioacchino.delregno@...labora.com,
	aleksander.lobakin@...el.com,
	horms@...nel.org,
	m-malladi@...com,
	krzysztof.kozlowski@...aro.org,
	matthias.schiffer@...tq-group.com,
	robh@...nel.org,
	imx@...ts.linux.dev,
	intel-wired-lan@...ts.osuosl.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-wireless@...r.kernel.org,
	linux-mediatek@...ts.infradead.org
Subject: [PATCH net-next v11 09/12] idpf: access ->pp through netmem_desc instead of page

To eliminate the use of struct page in page pool, the page pool users
should use netmem descriptor and APIs instead.

Make idpf access ->pp through netmem_desc instead of page.

Signed-off-by: Byungchul Park <byungchul@...com>
---
 drivers/net/ethernet/intel/idpf/idpf_txrx.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
index cef9dfb877e8..6b5f440aede3 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_txrx.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
@@ -3276,8 +3276,10 @@ static u32 idpf_rx_hsplit_wa(const struct libeth_fqe *hdr,
 
 	hdr_page = __netmem_to_page(hdr->netmem);
 	buf_page = __netmem_to_page(buf->netmem);
-	dst = page_address(hdr_page) + hdr->offset + hdr_page->pp->p.offset;
-	src = page_address(buf_page) + buf->offset + buf_page->pp->p.offset;
+	dst = page_address(hdr_page) + hdr->offset +
+		pp_page_to_nmdesc(hdr_page)->pp->p.offset;
+	src = page_address(buf_page) + buf->offset +
+		pp_page_to_nmdesc(buf_page)->pp->p.offset;
 
 	memcpy(dst, src, LARGEST_ALIGN(copy));
 	buf->offset += copy;
@@ -3296,7 +3298,7 @@ static u32 idpf_rx_hsplit_wa(const struct libeth_fqe *hdr,
 struct sk_buff *idpf_rx_build_skb(const struct libeth_fqe *buf, u32 size)
 {
 	struct page *buf_page = __netmem_to_page(buf->netmem);
-	u32 hr = buf_page->pp->p.offset;
+	u32 hr = pp_page_to_nmdesc(buf_page)->pp->p.offset;
 	struct sk_buff *skb;
 	void *va;
 
-- 
2.17.1